Mini Cooper S R56 LCI N18 1.6 211HP Engine Kit ECU DME CAS3 7648190 + Key Manual

Mini Cooper S R56 LCI N18 1.6 211HP Engine Kit ECU DME CAS3 + Key Manual is a complete engine control kit designed for the petrol version of the Mini Cooper S with a manual transmission. The set includes an ECU/DME engine control unit, a CAS3 module, and a matched key, which significantly facilitates professional replacement of powertrain electronics. Thanks to the consistency of the components, this engine control unit kit allows for efficient adaptation in the vehicle without the need for time-consuming programming from scratch.

Specifications and technical data

• SKU: 7648190-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7648190
• Substitutable numbers: 7648190, 12147648190, 8652746, 12148652746, 8621260, 12148621260, 8610006, 12148610006, 7639421, 12147639421, 7643769, 12147643769, 9287535
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the control unit kit

The presented set from the Electronic control modules and units category has been designed to work with the 211 HP N18 power unit in the Mini Cooper S R56 LCI. The combination of the ECU/DME with the CAS3 module and key provides a coherent system for start authorization, ignition management, fuel dosing, and communication with other vehicle modules. This solution is particularly useful when replacing a damaged engine control unit or performing a complete powertrain swap.

Benefits of using a complete ECU DME CAS3 kit with key

Using a complete kit instead of a single control unit significantly simplifies the service process. In practice, this means:

• maintaining compatibility between the engine control unit and the CAS3 immobilizer module,
• a ready-to-use key matched to the set,
• reducing the need for deep programming and module synchronization,
• consistent operation of the vehicle's starting and security systems.

For workshops and users, this means shorter repair time, a lower risk of communication issues between modules, and greater predictability of the final result after installation.

Compatibility with petrol engine and manual transmission

The kit is intended for cars with a petrol engine and a manual transmission, which is crucial when selecting control electronics. The appropriate engine operating maps, torque control logic, and cooperation with the drivetrain are adapted to the specifics of the manual gearbox. As a result, the control unit correctly handles functions related to throttle response, idle speed stability, and cooperation with vehicle safety systems.

Professional use in Mini diagnostics and repairs

This control unit kit is particularly useful for specialized Mini service centers that perform:

• replacement of a damaged ECU/DME after an electrical or mechanical failure,
• repairs after unsuccessful software tuning attempts,
• engine swaps within the same model generation,
• diagnostics of starting problems resulting from inconsistencies between the CAS3 and the engine control unit.

Thanks to the completeness of the kit, it is possible to reduce the number of variables in the diagnostic process and focus on correct installation and basic adaptation in the vehicle.

Mini electronic control modules – expansion and modernization

If you are planning a comprehensive repair or modernization of the engine area in your Mini and need other components from the same group, such as additional controllers, powertrain management modules, or systems cooperating with the ECU, check the available parts in the Mini electronic control modules and units category.

Used ECU kit – how to make an informed decision

Choosing a used ECU, CAS3, and key kit is a reasonable cost-effective solution, provided there is an informed approach to part selection and verification of their origin. It is worth familiarizing yourself with practical tips regarding the purchase of electronics from the secondary market – issues of compatibility, installation methods, and potential savings are discussed in more detail in the article Second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?.